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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Wed, Mar-23-2011, 03:05:02 AM   #1
Heckafunctional
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Default DIY: CPV valve

Hey guys..
Thought I would do a little write up
I know there are already DIY's but I just thought I'd post one up with a little more pictures
First off, DO IT AT YOUR OWN RISK. I AM NOT RESPONSIBLE FOR ANYTHING THAT MIGHT HAPPEN TO YOU OR YOUR VEHICLE.

**UPDATE** After 50k miles my cpv has started leaking again. I am now going to replace the o-ring with mpower22's uprated o-ring. You can find these using the link below.

http://www.m3forum.net/m3forum/showthread.php?t=369406

1. Get car onto jack stands
-I used this diagram for the jack stands
X's mean don't use, red for jacks, and green for jack pads

2. Remove the metal panel
-It is held on by 12 bolts and 6 sheet metal screws
-It will be going to be pretty dirty after it comes out, I cleaned mine before putting it back on
3. Inspect
- One way to tell if it's your cpv that's leaking is looking at the tranny
notice that there's oil only on the passenger side and not the driver side

4. Get the CPV valve
- Part number 11111318185

5. Locate CPV
- It's the gold screw like bolt

6. Removing CPV
- Here's the tricky part..I bought the tool in the following picture..it worked but if I were to have done it again I would order a drag link socket. You won't be able to find these in stores(at least any I went to).
- Place your ratchet between the header and the CPV. At first I used an extension and placed it between the header and the heat shield..big fail..stripped the CPV. Here's the exact position I used. Driver side tire in between your legs, head facing passenger. One hand on the ratchet, one hand through the header and heatshield, that is, the opening closest to the passenger side. Then looking through the gap in between the headers adjust your tool accordingly and the just take the sucker out. I had my brother hold a light, so I would suggest a light with a stand or a second person. It'll come right out this way. You can see how bad the o-ring is.


7. Finishing up
- Put everything back together in reverse order

Last edited by Obioban; Thu, Jul-20-2017 at 11:18:54 AM.
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Old Wed, Mar-23-2011, 04:06:55 AM   #2
caliSTile
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Default Re: DIY: CPV valve

I would've used this DIY myself when I found out the dealer said my CPV was leaking. Fortunately I was still within CPO extended warranty. Currently at 73,xxx miles as a daily.
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Old Wed, Mar-23-2011, 04:10:08 AM   #3
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Default Re: DIY: CPV valve

Quote:
Originally Posted by caliSTile View Post
I would've used this DIY myself when I found out the dealer said my CPV was leaking. Fortunately I was still within CPO extended warranty. Currently at 73,xxx miles as a daily.
I wish I had CPO
seems so common though..
I hope someone finds a replacement o-ring as I'm sure this won't be my last time
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Old Wed, Mar-23-2011, 04:16:12 AM   #4
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Default Re: DIY: CPV valve

FYI, when I was speaking with my BMW advisor, he mentioned this repeatedly as a "Euro Plug". I kept asking if this was the same as the CPV, and he assured me it wasn't.

Alas, I got the print out and there it was, CPV Constant Pressure Valve, with the same part number you notated.
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Old Wed, Mar-23-2011, 04:17:53 AM   #5
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Default Re: DIY: CPV valve

Quote:
Originally Posted by caliSTile View Post
FYI, when I was speaking with my BMW advisor, he mentioned this repeatedly as a "Euro Plug". I kept asking if this was the same as the CPV, and he assured me it wasn't.

Alas, I got the print out and there it was, CPV Constant Pressure Valve, with the same part number you notated.
yeah I think on my receipt for the part it said "euro valve"..
wonder what that means..
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Old Wed, Apr-06-2011, 05:36:24 AM   #6
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Default Re: DIY: CPV valve

Thanks so much for the DIY! I am going to have to do this ASAP this weekend!

I appreciate the effort!

P.S. Since you're in socal, any chance you can help a guy out? haha. I wanna make sure I do it right! Obviously I can throw some cash your way!
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Last edited by M3ANMACHINE; Wed, Apr-06-2011 at 05:40:17 AM.
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Old Wed, Apr-06-2011, 07:20:45 AM   #7
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Default Re: DIY: CPV valve

thanks...used this write up... easy as cake... i grinded down a old 10mm allen to the width of the slot, basically looked the same as the above tool except a lil wider so it wouldnt strip.....
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Old Wed, Apr-06-2011, 08:33:26 AM   #8
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Default Re: DIY: CPV valve

Quote:
Originally Posted by M3ANMACHINE View Post
Thanks so much for the DIY! I am going to have to do this ASAP this weekend!

I appreciate the effort!

P.S. Since you're in socal, any chance you can help a guy out? haha. I wanna make sure I do it right! Obviously I can throw some cash your way!
Just did this 2 weeks ago, lmk if you need help. theres no way to really mess it up..
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Old Wed, Apr-06-2011, 12:45:06 PM   #9
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Default Re: DIY: CPV valve

Just so we're clear, is this the CPV?
Attached Images
File Type: jpg CPV.jpg (192.6 KB, 2854 views)
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Old Wed, Apr-06-2011, 12:48:30 PM   #10
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Default Re: DIY: CPV valve

^^^^ Thats the CPV...installed mine last month.
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Discussing Torque Spec thread in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)